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/* ----------------------------------------------------------------------- *
*
* Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston MA 02110-1301, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
/*
* menu.h
*
* Header file for the simple menu system
*/
#ifndef MENU_H
#define MENU_H
#include <time.h>
#include <sys/time.h>
#include <sys/times.h>
#include <inttypes.h>
#include <unistd.h>
#include <colortbl.h>
#include <stdbool.h>
#include "refstr.h"
/* #define DEBUG 1 */
#include <dprintf.h>
#ifndef CLK_TCK
# define CLK_TCK sysconf(_SC_CLK_TCK)
#endif
struct menu;
/* Note: the _UNRES variants must always be immediately after their
"normal" versions. */
enum menu_action {
MA_NONE, /* Undefined value */
MA_CMD, /* Execute a command */
MA_DISABLED, /* Disabled menu entry */
MA_SUBMENU, /* This is a submenu entry */
MA_GOTO, /* Go to another menu */
MA_GOTO_UNRES, /* Unresolved go to */
MA_QUIT, /* Quit to CLI */
MA_EXIT, /* Exit to higher-level menu */
MA_EXIT_UNRES, /* Unresolved exit */
MA_HELP, /* Show help text */
};
struct menu_entry {
struct menu *menu; /* Parent menu */
const char *displayname;
const char *label;
const char *passwd;
char *helptext;
const char *cmdline;
const char *background;
struct menu *submenu;
struct menu_entry *next; /* Linked list of all labels across menus */
int entry; /* Entry number inside menu */
enum menu_action action;
unsigned char hotkey;
bool immediate; /* Hotkey action does not require Enter */
bool save; /* Save this entry if selected */
};
static inline bool is_disabled(struct menu_entry *me)
{
return me->action == MA_DISABLED;
}
enum kernel_type {
/* Meta-types for internal use */
KT_NONE,
KT_LOCALBOOT,
/* The ones we can pass off to SYSLINUX, in order */
KT_KERNEL, /* Undefined type */
KT_LINUX, /* Linux kernel */
KT_BOOT, /* Bootstrap program */
KT_BSS, /* Boot sector with patch */
KT_PXE, /* PXE NBP */
KT_FDIMAGE, /* Floppy disk image */
KT_COMBOOT, /* COMBOOT image */
KT_COM32, /* COM32 image */
KT_CONFIG, /* Configuration file */
};
extern const char *const kernel_types[];
/* Configurable integer parameters */
enum parameter_number {
P_WIDTH,
P_MARGIN,
P_PASSWD_MARGIN,
P_MENU_ROWS,
P_TABMSG_ROW,
P_CMDLINE_ROW,
P_END_ROW,
P_PASSWD_ROW,
P_TIMEOUT_ROW,
P_HELPMSG_ROW,
P_HELPMSGEND_ROW,
P_HSHIFT,
P_VSHIFT,
P_HIDDEN_ROW,
NPARAMS
};
/* Configurable messages */
enum message_number {
MSG_TITLE,
MSG_AUTOBOOT,
MSG_TAB,
MSG_NOTAB,
MSG_PASSPROMPT,
MSG_COUNT
};
struct messages {
const char *name; /* Message configuration name */
const char *defmsg; /* Default message text */
};
struct menu_parameter {
const char *name;
int value;
};
extern const struct menu_parameter mparm[NPARAMS];
struct fkey_help {
const char *textname;
const char *background;
};
struct menu {
struct menu *next; /* Linked list of all menus */
const char *label; /* Goto label for this menu */
struct menu *parent;
struct menu_entry *parent_entry; /* Entry for self in parent */
struct menu_entry **menu_entries;
struct menu_entry *menu_hotkeys[256];
const char *messages[MSG_COUNT];
int mparm[NPARAMS];
int nentries;
int nentries_space;
int defentry;
int timeout;
bool allowedit;
bool immediate; /* MENU IMMEDIATE default for this menu */
bool save; /* MENU SAVE default for this menu */
int curentry;
int curtop;
const char *title;
const char *ontimeout;
const char *onerror;
const char *menu_master_passwd;
const char *menu_background;
struct color_table *color_table;
struct fkey_help fkeyhelp[12];
};
extern struct menu *root_menu, *start_menu, *hide_menu, *menu_list;
/* 2048 is the current definition inside syslinux */
#define MAX_CMDLINE_LEN 2048
/* These are global parameters regardless of which menu we're displaying */
extern int shiftkey;
extern int hiddenmenu;
extern int clearmenu;
extern long long totaltimeout;
void parse_configs(char **argv);
int draw_background(const char *filename);
void set_resolution(int x, int y);
void start_console(void);
void local_cursor_enable(bool);
static inline int my_isspace(char c)
{
return (unsigned char)c <= ' ';
}
int my_isxdigit(char c);
unsigned int hexval(char c);
unsigned int hexval2(const char *p);
uint32_t parse_argb(char **p);
extern const int message_base_color, menu_color_table_size;
int mygetkey(clock_t timeout);
int show_message_file(const char *filename, const char *background);
/* passwd.c */
int passwd_compare(const char *passwd, const char *entry);
/* colors.c */
#define MSG_COLORS_DEF_FG 0x90ffffff
#define MSG_COLORS_DEF_BG 0x80ffffff
#define MSG_COLORS_DEF_SHADOW SHADOW_NORMAL
void set_msg_colors_global(struct color_table *tbl,
unsigned int fg, unsigned int bg,
enum color_table_shadow shadow);
struct color_table *default_color_table(void);
struct color_table *copy_color_table(const struct color_table *master);
extern const int message_base_color;
/* background.c */
extern const char *current_background;
void set_background(const char *new_background);
/* execute.c */
void execute(const char *cmdline, enum kernel_type type);
/* drain.c */
void drain_keyboard(void);
#endif /* MENU_H */
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